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Finding the Fourth Proportional to 5,760.56, 7,948.92 and 3,242.48

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Solution

The fourth proportional to 5,760.56, 7,948.92 and 3,242.48 is: 4,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.56 : 7,948.92 = 3,242.48 : x
  2. Step 2: Convert to fraction form
    5,760.56/7,948.92 = 3,242.48/x
  3. Step 3: Cross multiply
    5,760.56x = 7,948.92 × 3,242.48
  4. Step 4: Simplify right side
    5,760.56x = 25,774,214.12
  5. Step 5: Solve for x
    x = 25,774,214.12/5,760.56
  6. Step 6: Final answer
    x = 4,474.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.